Home / 2,290,455.40-3,434,808.30-692,487.40

Finding the Fourth Proportional to 2,290,455.40, 3,434,808.30 and 692,487.40

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Solution

The fourth proportional to 2,290,455.40, 3,434,808.30 and 692,487.40 is: 1,038,466.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,455.40 : 3,434,808.30 = 692,487.40 : x
  2. Step 2: Convert to fraction form
    2,290,455.40/3,434,808.30 = 692,487.40/x
  3. Step 3: Cross multiply
    2,290,455.40x = 3,434,808.30 × 692,487.40
  4. Step 4: Simplify right side
    2,290,455.40x = 2,378,561,469,165.42
  5. Step 5: Solve for x
    x = 2,378,561,469,165.42/2,290,455.40
  6. Step 6: Final answer
    x = 1,038,466.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.